CPU: Android Brand Name: OEM HD Capacity: 4GB/8GB/16GB/126GB/ 256GB/512GB Hard Disk: SSD RAM: 4GB/8GB/16GB Warranty: 3 years Operating System: Windows/Android POS System: Windows/Android Screen Size: 11.6″/15″/15.6″/17″/18.5″/21.5″/32″ Resolution: 15″ 1024*768 Built-In: WIFI, Speaker